18981888

素因数分解:

$2^{10}\times 3^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 88

約数和(自身を含む): 52272192

約数和(自身を除く): 33290304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 167, 192, 222, 256, 296, 334, 384, 444, 501, 512, 592, 668, 768, 888, 1002, 1024, 1184, 1336, 1536, 1776, 2004, 2368, 2672, 3072, 3552, 4008, 4736, 5344, 6179, 7104, 8016, 9472, 10688, 12358, 14208, 16032, 18537, 18944, 21376, 24716, 28416, 32064, 37074, 37888, 42752, 49432, 56832, 64128, 74148, 85504, 98864, 113664, 128256, 148296, 171008, 197728, 256512, 296592, 395456, 513024, 593184, 790912, 1186368, 1581824, 2372736, 3163648, 4745472, 6327296, 9490944, 18981888]

約数ペア:

[(1, 18981888), (2, 9490944), (3, 6327296), (4, 4745472), (6, 3163648), (8, 2372736), (12, 1581824), (16, 1186368), (24, 790912), (32, 593184), (37, 513024), (48, 395456), (64, 296592), (74, 256512), (96, 197728), (111, 171008), (128, 148296), (148, 128256), (167, 113664), (192, 98864), (222, 85504), (256, 74148), (296, 64128), (334, 56832), (384, 49432), (444, 42752), (501, 37888), (512, 37074), (592, 32064), (668, 28416), (768, 24716), (888, 21376), (1002, 18944), (1024, 18537), (1184, 16032), (1336, 14208), (1536, 12358), (1776, 10688), (2004, 9472), (2368, 8016), (2672, 7104), (3072, 6179), (3552, 5344), (4008, 4736)]